Unix assignment

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Across
  1. 2. command that displays file place by place
  2. 4. changes the file mode
  3. 6. command which returns the ______ value
  4. 7. dumps files in various formats
  5. 9. creates a ____ to a file
  6. 10. command that scans process files
  7. 12. makes a change to see a file
Down
  1. 1. removes the directory
  2. 3. writes argument to standard output
  3. 5. reports free disk space
  4. 8. lists the directory content
  5. 11. command that terminates or signals process